"Miles knows that Merc is the best robot in the whole wide universe. But after a bigger, stronger new robot arrives at the Stellosphere, it seems like nobody else does. Miles doesn't want to say good-bye to his best friend. Will he be able to prove Merc's worth when the competition is so tough?"--Pages  of cover.
"Based on the episode written by Greg Johnson."
At head of title: Disney Miles from tomorrowland.